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Oregon · Water & Wastewater Operators · 2026 renewal guide

How to Renew Your Oregon Water & Wastewater Operator License

Oregon water & wastewater operators must complete 20 hours of board-approved continuing education every 2 years, as required by Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC.

Written by the TradesCE compliance team · Verified against the Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC rule on September 4, 2026.

CE hours
20 hours
Renewal cycle
Every 2 years
Next deadline
Per license
Exam to renew
Not required

Who has to renew

This guide covers Oregon water & wastewater operators holding a All licensees license. Requirements are set by Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC.

When to renew

Oregon water & wastewater operators licenses renew every 2 years, on the schedule your board assigns to your license. Continuing education must be complete before you submit the renewal. (https://www.oregon.gov/oha/PH/HEALTHYENVIRONMENTS/DRINKINGWATER/OPERATORCERTIFICATION/LEVELS1-4/Pages/ceu.aspx)

The continuing education Oregon requires

Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC requires 20 hours of approved continuing education every 2 years. The hours must cover these topics:

  • Drinking water: 1.6 of 2.0 CEUs must meet ABC 'Need-to-Know' criteria (0.4 CEUs discretionary)
  • Wastewater: CEUs must be OESAC-approved wastewater-relevant topics

How to renew, step by step

  1. 1

    Confirm your license class and renewal date

    Oregon sets water & wastewater operators requirements by license class (All licensees). Check the class printed on your license, then note your renewal date — renewals run the schedule your board assigns to your license.

  2. 2

    Complete 20 hours of board-approved continuing education

    Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC requires 20 hours every 2 years, including Drinking water: 1.6 of 2.0 CEUs must meet ABC 'Need-to-Know' criteria (0.4 CEUs discretionary), Wastewater: CEUs must be OESAC-approved wastewater-relevant topics. Do not leave it for the last week — completions must be on file before the deadline.

    See the Oregon water & wastewater operators course
  3. 3

    Save your certificate of completion

    Download the certificate the moment you finish and keep it with your license records.

  4. 4

    Make sure your hours reach the board

    In Oregon, you keep your certificate of completion and present it to the board if asked.

  5. 5

    Renew with Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC

    Submit your renewal through the board’s online portal and pay the renewal fee before the deadline. A late renewal usually means a late fee, and a lapsed license can mean re-applying from scratch.

    Go to Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC

Oregon water & wastewater operator renewal FAQ

How many continuing education hours do Oregon water & wastewater operators need?
Oregon water & wastewater operators must complete 20 hours of board-approved continuing education every 2 years, as set by Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC.
What topics are required for Oregon water & wastewater operators continuing education?
Oregon Health Authority Drinking Water Services (drinking water, OAR 333-061) + Oregon DEQ Wastewater Operator Certification Program (wastewater, OAR 340-049); course CEU approval via OESAC requires coverage of: Drinking water: 1.6 of 2.0 CEUs must meet ABC 'Need-to-Know' criteria (0.4 CEUs discretionary); Wastewater: CEUs must be OESAC-approved wastewater-relevant topics.
Can Oregon water & wastewater operators complete continuing education online?
Yes. Board-approved online courses count toward the Oregon requirement; timed seat-time and completion records satisfy audit requirements.

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